Ah, teens - I think you have my son's twin.
He is turning 16 next week, and I told him if he does not find a job, at least try and mow some lawns for cash, that he could be the "house elf" all summer. Our summer started on the 20th!
So, I leave him a list every day - he averages 75% of the list every day. Well, until today, when he went back to sleep when I left for work and slept all day. Arrrgh.
Tomorrow I am taking him to drop off a job application at a local non-profit that runs a summer intern program for teens. I am desperately hoping that they hire him and put him to work. LOL Because if not, it is back to the "house elf" list of chores every day.
Last summer I tried paying him for lawn care at our house. By the end of the summer he had enough extra cash that he actually paid someone else to mow the lawn for him. Yep, I am not paying him this summer.
I know it is about rewards and punishment - but for me, it also teaching him that this is just part of what family does. We do keep a list of chores on the fridge, as we split things like dishes, and laundry during the school year. But, for summer, he does carry more of the chores since he has more free time. He knows that is just what we do around here.
For your younger girls, same thing- make a chore list, with rewards and punishments - have them help you make it. Post it on the fridge and stick with it. Once one child see another earning rewards, it should spur them on to help out.
I wish you luck.